Trailer
Cast
David Bamber
Admiral Ramsay
Roisin O'Neill
Agnes Dillon
Ben Mendelsohn
King George VI
Michael Bott
Equerry
Mario Hacquard
Daladier
James Eeles
Maurice Baker
John Locke
Oliver Wilson
Samuel West
Sir Anthony Eden
Benjamin Whitrow
Sir Samuel Hoare
Brian Pettifer
Lord Kingsley Wood
Paul Ridley
House of Commons Speaker
Robin Pearce
Ernle Hastings
Pip Torrens
BBC Producer
David Schofield
Clement Atlee
Demetri Goritsas
Cabinet Secretary Bridges
John Atterbury
Sir Alexander Cadogan
James Harkness
AD Nicholl (Secretary #1)
Stephen Dillane
Viscount Halifax
Nia Gwynne
Alice Simpson
Faye Marsay
Sybil
Johnny Otto
Member of Parliament (uncredited)
Gary Oldman
Winston Churchill
Paul Leonard
Admiral Dudley Pound
Michael Gould
Lord Londonderry
Jeremy Child
Lord Stanhope
Bronte Carmichael
Young Girl on Tube
Joshua Higgott
Reporter
Richard Lumsden
General Ismay
Eric MacLennan
Tom Leonard
Jordan Waller
Randolph Churchill
Hannah Steele
Abigail Walker
Flora Nicholson
Jessie Sutton
Imogen King
Teenage Girl at Tube Map
Lily James
Elizabeth Layton
Nicholas Jones
Sir John Simon
Joe Armstrong
John Evans
Olivier Broche
Reynaud
Malcolm Storry
General Ironside
Mary Antony
Mary Churchill
Edmund Wiseman
Actor
Kristin Scott Thomas
Clemmie
Bethany Muir
Sarah Churchill
Sarah Flind
Cook
Ronald Pickup
Neville Chamberlain
Hilton McRae
Arthur Greenwood
Patsy Ferran
Maid
Charley Palmer Rothwell
Christopher Wilson (Photographer)
David Strathairn
President Roosevelt (voice)
Philip Martin Brown
Sawyers
Anna Burnett
Pamela Churchill
Richard Glover
Brigadier Nicholson
Joshua James
W D Wilkinson (Secretary #2)
Kieran Buckeridge
Cecil Beaton
Adrian Rawlins
Air Chief Marshal Dowding
Tom Ashley
Ramsay Staffer
Steffan Donnelly
Back Bencher